Early introduction of solid foods and prevention of food allergies

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  • Natsume Osamu
    Department of Pediatrics, Hamamatsu University School of Medicine

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  • 乳児期早期摂取開始による食物アレルギー発症予防

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<p> Early introduction of allergenic foods in infancy is recommended to prevent food allergies because it has been shown that oral intake induces tolerance to foods without causing intestinal sensitization. Based on the results of randomized control trials and meta‒analysis, the guidelines and position papers in some countries recommend the introduction of peanut and hen's egg in early infancy for preventing these allergies since 2015, although there are some differences between these guidelines. However, it is necessary to monitor any possible induced immediate allergic reaction while actually practicing this preventive method. For this reason, position papers of each country recommend that “heated egg” be introduced “from a small amount” in order to reduce the risk of adverse events. However, little guidance is provided on what foods should be introduced early and in which infants, how to increase the quantities eaten afterwards, and whether screening is necessary. Therefore, future studies are needed to provide information regarding these issues.</p>

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